The story of Ape Canyon is loosely - very loosely - based on events that took place in Mt. St. Helens, Washington in 1924, where a group of miners, among them a man named Fred Beck, claimed they were attacked by a pack of wild ape-men.

You can read all about it here, or  in Fred Beck's own words.

http://www.btinternet.com/~loonboy/para_ape_canyon.html  **Note: Link is dead sorry...**

http://www.n2.net/prey/bigfoot/classics/beck.htm

Looking for some good, cryptozoic armchair adventure? Delve into the world of thoughtful, scientifically informed bigfoot investigation via the official website of the Bigfoot Field Researchers Organization.

http://www.bfro.net/

Masochistic? Read some of the actual bigfoot poetry that inspired the horrid compositions read aloud in our movie.

http://www.n2.net/prey/bigfoot/poetry.htm